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VACONX5C20030C Danfoss

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Internal Product Review

The VACONX5C20030C is a Danfoss low-voltage drive that stands out for efficient motor control and natural convection cooling. High-overload performance at 1.5 kW and 6.8 A supports stable operation during demanding load changes. A 150% heavy-duty overload rating for 60 s makes this drive a strong choice for rigorous industrial duty.

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Product Description:

The VACONX5C20030C is a variable-speed AC drive manufactured by Danfoss as part of the Low Voltage VACON X Drives series. It adjusts the voltage and frequency delivered to induction motors, allowing motor speed to follow process demand while reducing energy consumption and mechanical stress during starting and stopping cycles. The unit is intended for integration into industrial automation panels where decentralized motor control is required.

The chassis is 221 mm wide, 306 mm high, and 216 mm deep, giving it a slim profile for wall or backplate installation. The drive weighs 6.35 kg, allowing it to be mounted without lifting equipment when appropriate installation practices are followed. Heat from the power section is removed through natural convection, so no internal fan or external ducting is needed. Passive cooling also reduces the movement of airborne contaminants through the enclosure. During operation, the sound pressure level reaches 80 dBA, which should be considered when determining hearing protection requirements near the panel. The electronics maintain full performance at elevations up to 1,000 m, where the reduced air density still supports passive cooling.

Dynamic braking engages when the DC link rises to 388 VDC, diverting excess energy from regenerative loads. The drive shuts down at 406 VDC to prevent damage from excessive voltage. An undervoltage cutoff at 199 VDC protects the control circuitry from brownout faults. The heavy-duty overload capacity is 150% for 60 seconds, while the normal-duty overload capacity is 120% for the same interval. Under high-overload operation, the drive supplies 1.5 kW with 6.8 A of current. Low-overload operation allows 2.2 kW at 9.6 A when sufficient thermal capacity is available. These current and power ratings support selection for fans, pumps, conveyors, and other motor-driven equipment without exceeding the drive’s temperature limits.

Acoustic Noise
80 dBA
Brake Activation Voltage
388 Vdc
Cooling
Natural Convection
Dc Bus Overvoltage Trip
406 Vdc
Dc Bus Undervoltage Trip
199 Vdc
Depth
216 mm
Heavy Duty Overload
150% For 60 s
Height
306 mm
High Overload Current
6.8 A
High Overload Power
1.5 kW
Low Overload Current
9.6 A
Low Overload Power
2.2 kW
Max Altitude
1,000 m
Normal Duty Overload
120% For 60 s
Weight
6.35 kg
Width
221 mm

Frequently Asked Questions about VACONX5C20030C:

Q: What is the heavy duty overload capacity of the VACONX5C20030C drive?

A: The VACONX5C20030C can handle up to 150% overload for 60 seconds in heavy duty operation.

Q: What is the high overload current rating for the VACONX5C20030C?

A: This drive can deliver a maximum high overload current of 6.8 A.

Q: How is the VACONX5C20030C drive cooled during operation?

A: The VACONX5C20030C operates with natural convection cooling, using no external fans.

Q: What is the brake activation voltage of the VACONX5C20030C drive?

A: The brake activation voltage for this model is 388 Vdc.

Q: At what DC bus voltage does the VACONX5C20030C trip due to overvoltage?

A: This drive has a DC bus overvoltage trip level of 406 Vdc.

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